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Something that I think has become less clear since someone updated the wiki. Long distance airplane flight tips? - Kerbal Space Program Forums I don't have that other stuff yet. This makes jets built using this engine considerably more maneuverable. Kerbin | Kerbal Space Program Wiki | Fandom You get tons of thrust if you put it into "wet" mode, but you lose fuel efficiency. @SaintWacko's advice is probably the most practical. I currently have a contract where I'm asked to take crew reports at certain spots on Kerbal at an altitude of 18,000m. I generally don't fuss with AoI unless I'm making a long range cruiser. Thankyou all, I now reckon I have a much better understanding of the engines, hopefully that'll translate to better aircraft. Display as a link instead, Slap that behind a plane you'll be able to go beyond 20km without any trouble. Only the fuel tanks attached to rockets have any oxidiser in them. You can post now and register later. At 3500m, you have half the drag you'd have at the surface; at 7km, 1/4 the drag, at 10.5km, 1/8 the drag, etc. Minimising the environmental effects of my dyson brain, Theoretically Correct vs Practical Notation. As long a you can fly faster, the lower density at altitude can be compensated for. lost birth certificate near berlin; ksp high altitude plane. Jets drop thrust at higher altitude and speed, but also drop . Though I'm still working on learning to be better at space planes. FBW uses three controllers - pitch, roll and yaw. . You do get certain inertial and lever-arm effects, but those aren't really relevant to 'do I have enough lift to stay up'. Once you're at that regime, you should be able to cover huge distances on tiny amounts of fuel. Note that KSP planes get one substantial speed benefit that's much more pronounced than IRL aircraft, due to the freakishly small planet sizes: they're actually flying at a large fraction of orbital velocity. TLDR: You need parts you don't have to make a plane that flies that high. I did some testing and found that the turbojets get the best Isp around 5.2 km altitude, so I was thinking of flying at that altitude. At the equator, sea level temperatures vary between a nighttime low of 9 C and a daytime high of 15 C. Planes in Space. What am I doing wrong here in the PlotLegends specification. Use the reaction wheel to hold your attitude slightly nose down as you float down and you can guide yourself like a paraglider. Yes, although they have only been flown with nearly full tanks. Which is capable of high altitude, high speed flight. I should perhaps start trying out NEAR to get ready of 0.90, though. Thrust means that slower-is-better no longer applies: now, slower means less drag but more gravity, so there's a tradeoff (which I'm not going to carefully calculate for you, because it's hard). If you've attached them to your fuselage with zero AoA, what that means is that when you fly, you're going to have to have the entire plane pitched slightly above in order to generate lift. I also added a parachute and decoupler since I find it too hard to correctly land this thing yet ;-) I managed to land in the water once, though. KSP - High Altitude Aircraft - YouTube Most SSTO space planes would be able to accomplish this easily. How can this new ban on drag possibly be considered constitutional? Note: Your post will require moderator approval before it will be visible. I've been trying my hand at some High altitude speedy planes for a while now, but can't seem to get a hang of the altitudes that each engine likes, I know kerbal isn't earth, so looking up the crushing altitude of say the sr71, doesn't seem to apply, but I was hoping that others experiences would help me. I got this game so I could over-engineer rockets, so I mostly ignore the airplanes. Building a High Altitude Jet | Stream pt. 2/3 (KSP 1.11.2) The idea is to slow the plane to a stall above your landing spot the pop the parachute. I don't have any exact numbers for you, but you can right-click an engine in flight and it will show both current and optimal airflow, which should hopefully let you work out the best altitude. Plane - Kerbal Space Program Wiki Either of the two speeds are to be avoided. Which makes this engine ideal for those missions which require doing many science activities above particular altitudes. : : . As I understand, the OP wanted "the most efficient way to fly", and simply needed a bit of help in realizing that that is a hypersonic, high-altitude, high-performance aircraft which is a RAPIER and a little oxidizer away from being an SSTO spaceplane. Is there a single-word adjective for "having exceptionally strong moral principles"? You arent doing anything wrong. In this case lots of fuel is the wrong approach, I can get more than half way around Kerbin on 2 cans of Jet Fuel and a turbojet if I glide most of it. June 3, 2022 . KSP also tends to have very harsh induced drag if angle of attack gets too high. Additionally please know that .16 will feature new code that will change the way space planes work in every aspect. At sea level, it produces 120 kn thrust, but at 15 km altitude, it only produces 13.7 kn of thrust, barely enough to provide any thrust to climb higher, Long and narrow wing has less surface area to provide lift, and at higher altitude, the atmospher is so thin that the lift generated by long and narrow wings is insufficient for sustainable flight. A well-designed jet with this engine and with the afterburner lit, flown properly, can momentarily climb to 30,000 m altitude. This is my current best hi alt plane. Then it is "In Space Low over Mun.". By climbing, you reduce drag, exponentially with altitude. 2/3 (KSP 1.11.2) - YouTube I break out the Mk2 parts and Panther engines to build a better jet that can go higher and faster. Subscribe -. Upload or insert images from URL. In addition to the traditional giant tube of explosions that flings things up high approach, Kerbal Space Program includes a very useful piece of equipment that became quite popular in the 20th century: wings.. Kerbal Space Program ( KSP) is a space flight simulation video game developed by Mexican developer Squad for Linux, OS X, Windows, PlayStation 4, PlayStation 5, Xbox Series X/S and Xbox One. Note: Your post will require moderator approval before it will be visible. Your previous content has been restored. Building a High Altitude Jet | Stream pt. (Actually, four ways: but balloons aren't in the stock game) Lifting surfaces are great but they lose effectiveness just as fast with altitude as drag falls. For more information, please see our To get there, you're going to want to climb at the fastest rate you can manage to 18-20 km, at which point you should mostly level off and start accelerating horizontally. Contents 1 Usage 2 Construction 3 Categories 3.1 Airplane 3.2 Seaplane 3.3 Spaceplane 3.4 VTOL 3.5 Glider 3.6 Mothership 4 Operation 4.1 Flight records 5 Notes Usage As high and fast as you can go without engine flameout: preferably ~2000 m/s at 25-30 km (and yes, that's almost orbital velocity). At that point your engines will be running about .7-.8 efficiency and you will be out of the thicker atmo which will allow you to go faster. Trying to do something without the right part is long and difficult path. Proceed with caution. You can spin around the whole world on just fumes. Information Changelog Stats Sideslip handling. KSP Quick Guides: High Altitude Design and Flying - Stock v.23 Upload or insert images from URL. A destructible memorial to the old Mk. For all your gaming related, space exploration needs. Your link has been automatically embedded. rev2023.3.3.43278. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. There is a very close tolerance to the two speeds. I'm going to try adding a small solid fuel rocket engine toned down to get the initial height then dump it, as well as check into that high end gear mentioned. Beginner's Guide: Tips and Basics - Kerbal Space Program 2 Wiki Guide - IGN EDIT: Essentially, make like an SR-71, if an SR-71 didn't have cooling problems limiting it to Mach 3.4. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Thanks, I'll go try to stuff a few extra turbojets and intakes on my plane Do you know how many intakes/turbojet are needed to run in the regime you described? Why not keep the engine for multi-stage rockets? - Space Exploration Using indicator constraint with two variables, Is there a solution to add special characters from software and how to do it. The most efficient way is, of course, to make a high altitude (or space) plane. Put a couple of radial mount parachutes just above the com and add a reaction wheel. Designing a High Altitude Jet | KSP: Making Space Home Mike Aben 24.8K subscribers Join Subscribe 85 Share 3.4K views 1 year ago Ep. a screenshot of kerbal space program 2. by: lord bird. - Inside the atmosphere works the same way, except you need to be on an suborbital trajectory. Press question mark to learn the rest of the keyboard shortcuts. Since turbos are almost always enough to get you off the ground and up to altitude, I usually just do straight turbojets (with some RAPIERs for SSTO spaceplanes); the minute amount of fuel saved during the ascent isn't worth lugging those superfluous engines around at the hypersonic regime. high-2 A Screenshot of Kerbal Space Program Main goals: Auto-trimming. - Insane TWR didn't help. This can make it a good alternative for when you want something that can be controllable and doesn't need excessive heat shielding, but still need to be able to go incredibly fast if necessary, at the expense of increased fuel consumption. This can be done with moar boosters or more calculated wing and body design, depending on the aero model you use. 3x06: I design a new, high altitude, jet to collect high. Strictly speaking this optimisation is unnecessary, but it can win you a bit of range. Display as a link instead, The sweet spot for the upper atmo engines, I find, is between 10k and 12k. So long as there's only one high-altitude measurement to take, you should be able to complete a whole set of 3-4 in one flight. I'm in career mode and got all groups of the 45-science-cost level, except Flight Control, and additionally have Electrics, Heavy Rocketry and Fuel Systems. Is it even possible? Thanks for asking this, I've been struggling with the same problem in career mode. These designs are great for getting around Kerbin quickly, but without going orbital. Even better, burn a little more, and you can pop out of the atmosphere for a bit and avoid all that nasty drag stuff. I also had problems with a high altitude plane until I decided to follow the K.I.S.S. A temple in the desert (6 29 47 S 141 40 3 W) known as Tut-Un Jeb-Ahn, although this name can only be seen when a vessel crashes into it. It's also worth noting that this engine has the widest thrust vectoring range of all of the jet engines, with a full 10-degree range in all directions. Air Flow + max. I was generally under the impression that basic jets were mostly deadweight on high-performance aircraft: while they are superior for low-speed, low-altitude operations, they become deadweight at hypersonic velocities. This lowers their effective "weight"-- for example, a craft flying at 1400 m/s on Kerbin is effectively flying as if gravity were only 2/3 of its actual value. 1.) Pretty often, the tail "wiggled" and/or the plane became totally unstable when I fired the rocket boosters. The Panther engine can hold 19,000 steady and oscillates around 20,000. That would argue for going as high as possible, as slow as possible, but apart from drag you also have to fight gravity. With only panthers unlocked I might add. A well-designed jet with this engine and with the afterburner lit, flown properly, can momentarily climb to 30,000 m altitude. 2.) That's just a guess, though-- perhaps someone more familiar with FAR could weigh in.). You are simply running out of atmosphere (i.e. Ep. That will unlock: In the game, players direct a nascent space program, staffed and crewed by green humanoid aliens known as "Kerbals". Or is it the same for all celestial bodies? Thanks for the help! By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Your link has been automatically embedded. Since gravity is effectively lower, they don't need as much wing area to maintain altitude-- which, in turn, means less drag, which makes for more efficient flight. TroubleshootingMechJebPVG - KSP-RO/RP-0 GitHub Wiki Also, while you mentioned the TJs most efficient altitude is ~ 5km (I'm not sure, but lets assume it's true), you need to realize that the drag you're getting at that altitude is going to wreck any efficiency gains. Airplane Plus on SpaceDock I have enough patience to do the slow flying, but is it horribly inefficient? Rockets aren t the only way to get to space. CONTROLABLE plane for ~20km altitude? :: Kerbal Space Program General This thread is quite old. Personally, I don't enjoy survey contracts on Kerbin. When I say ", You know you've nailed it correctly if, when you're in level flight, your. Don't be too surprised if KSP's aero model breaks down in edge cases. At this point the plane plummets, but as it goes deeper into the atmosphere, it regains pitch authority, and at 10km it's enough to regain control and turn it around for a safe landing. Of course, this thing has very limited range, speed and acceleration because of the extra weight. I start with the normal jet engines (which takes almost the complete runway). ksp high altitude plane. The easiest "default" way to build a plane in KSP-- i.e. The high performance engine for me performs pretty good till about 15000 meter. Each stage of the rocket has a delta-v that depends on the stage fuel mass and the engine specific impulse. Any of my search term words; All of my search term words; Find results in. So, to correct " is below crosshairs", what you need to do is to add a little AoA to the wings. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. That will probably allow you to fly comfortably above 20-25km (or higher, depending on the overall mass of your aircraft). Ok, the panther engine is still not good enough. Once it's in the air, it's stable and easy to fly and manages to fly at altitudes between 11k 12k without problems. Or try using SRBs instead. high altitude flight :: Kerbal Space Program General Discussions Or it can supercruise at three times the speed of an equivalent Wheesley jet (with nearly equal fuel efficiency) at 15,000 m altitude. Your previous content has been restored. So I've created those two planes, both with weasley turbofan engine: This is your problem-- as folks have pointed out, it's not a high-altitude engine. It is usually best for initial designs to be based on logic and real-world physics and then be prepared to experiment with non-logical alternatives for optimisation. Is it possible to get to an altitude of 16-20km with normal plane engines? What are the units of measure used in Kerbal Space Program? The X-37 is operated by the United States Space Force for orbital spaceflight missions intended to demonstrate reusable space technologies. with a thrust vectoring range of only 3 degrees. I decided to look into that two intakes thing, and it turns out to make 11-12 m/s difference at 19,000m with my plane.